{"cik":1655923,"company":{"entity_status":null,"filings":[{"accession":"0001493152-26-047631","document":"xslF345X06/ownership.xml","filed":"2026-10-19","form":"4","items":"","report_date":"2026-10-15"},{"accession":"0001493152-26-045511","document":"xslF345X06/ownership.xml","filed":"2026-10-02","form":"4","items":"","report_date":"2026-10-01"},{"accession":"0001493152-26-044690","document":"xslF345X06/ownership.xml","filed":"2026-09-28","form":"4","items":"","report_date":"2026-09-24"},{"accession":"0001493152-26-042969","document":"xslF345X06/ownership.xml","filed":"2026-09-16","form":"4","items":"","report_date":"2026-09-14"},{"accession":"0000912282-26-001153","document":"xslF345X06/form4.xml","filed":"2026-08-24","form":"4","items":"","report_date":"2026-08-21"},{"accession":"0001213900-26-089188","document":"ea0300175-10q_alpha.htm","filed":"2026-08-13","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001493152-26-036015","document":"xslF345X06/ownership.xml","filed":"2026-08-04","form":"4","items":"","report_date":"2026-07-31"},{"accession":"0001493152-26-035000","document":"xslF345X06/ownership.xml","filed":"2026-07-28","form":"4","items":"","report_date":"2026-07-24"},{"accession":"0001493152-26-034560","document":"xslF345X06/ownership.xml","filed":"2026-07-24","form":"4","items":"","report_date":"2026-07-22"},{"accession":"0001213900-26-070903","document":"ea0295376-8k_alpha.htm","filed":"2026-06-23","form":"8-K","items":"5.02,5.07,9.01","report_date":"2026-06-16"},{"accession":"0001213900-26-056588","document":"ea0288768-10q_alpha.htm","filed":"2026-05-14","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001213900-26-050998","document":"ea028878301-8ka_alphacog.htm","filed":"2026-05-01","form":"8-K/A","items":"5.02,9.01","report_date":"2026-04-15"},{"accession":"0001213900-26-050234","document":"ea0288091-def14a_alpha.htm","filed":"2026-04-30","form":"DEF 14A","items":"","report_date":"2026-06-16"},{"accession":"0001213900-26-045668","document":"ea028707001-8k_alphacog.htm","filed":"2026-04-20","form":"8-K","items":"5.02,9.01","report_date":"2026-04-15"},{"accession":"0001213900-26-043517","document":"ea0285983-8k_alpha.htm","filed":"2026-04-14","form":"8-K","items":"1.01,9.01","report_date":"2026-04-10"},{"accession":"0001213900-26-037614","document":"ea0280314-10k_alphacog.htm","filed":"2026-03-31","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001213900-26-035696","document":"ea0283878-8k_alpha.htm","filed":"2026-03-27","form":"8-K","items":"7.01,9.01","report_date":"2026-03-27"},{"accession":"0001213900-26-034778","document":"ea0283622-8k_alpha.htm","filed":"2026-03-26","form":"8-K","items":"2.02,9.01","report_date":"2026-03-25"},{"accession":"0001213900-26-019355","document":"ea0277868-8k_alpha.htm","filed":"2026-02-23","form":"8-K","items":"5.02","report_date":"2026-02-18"},{"accession":"0001213900-26-004765","document":"ea027312401-8k_alpha.htm","filed":"2026-01-15","form":"8-K","items":"5.02,9.01","report_date":"2026-01-09"},{"accession":"0001213900-25-110061","document":"ea0263490-10q_alpha.htm","filed":"2025-11-13","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001213900-25-098886","document":"ea026130201-8ka_alphacog.htm","filed":"2025-10-15","form":"8-K/A","items":"4.01,9.01","report_date":"2025-10-10"},{"accession":"0001213900-25-098739","document":"ea0261254-8k_alpha.htm","filed":"2025-10-14","form":"8-K","items":"4.01,9.01","report_date":"2025-10-10"},{"accession":"0001213900-25-094911","document":"ea0259660-8k_alpha.htm","filed":"2025-10-02","form":"8-K","items":"1.01,8.01,9.01","report_date":"2025-09-30"},{"accession":"0001213900-25-080012","document":"ea0254408-8k_alphacog.htm","filed":"2025-08-22","form":"8-K","items":"1.01,9.01","report_date":"2025-08-22"},{"accession":"0001213900-25-076600","document":"ea0250497-10q_alpha.htm","filed":"2025-08-14","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0001213900-25-056752","document":"ea0246592-8k_alpha.htm","filed":"2025-06-23","form":"8-K","items":"5.02,5.07,9.01","report_date":"2025-06-19"},{"accession":"0001213900-25-044163","document":"ea0239900-10q_alpha.htm","filed":"2025-05-15","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0001213900-25-037661","document":"ea0240027-01.htm","filed":"2025-04-30","form":"DEF 14A","items":"","report_date":"2025-06-19"},{"accession":"0001213900-25-030683","document":"ea023785401-8k_alpha.htm","filed":"2025-04-10","form":"8-K","items":"5.02,9.01","report_date":"2025-04-07"},{"accession":"0001213900-25-026225","document":"ea0233390-10k_alpha.htm","filed":"2025-03-31","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0001213900-25-018138","document":"ea0232480-8k_alpha.htm","filed":"2025-02-27","form":"8-K","items":"5.02,9.01","report_date":"2025-02-18"},{"accession":"0001213900-24-111194","document":"ea022561101-8k_alpha.htm","filed":"2024-12-20","form":"8-K","items":"3.02,9.01","report_date":"2024-12-16"},{"accession":"0001213900-24-099596","document":"ea0221543-8k_alphacog.htm","filed":"2024-11-18","form":"8-K","items":"1.01,3.02,3.03,9.01","report_date":"2024-11-12"},{"accession":"0000912282-24-000815","document":"havens13da.htm","filed":"2024-11-15","form":"SC 13D/A","items":"","report_date":""},{"accession":"0000912282-24-000813","document":"havens13d.htm","filed":"2024-11-15","form":"SC 13D","items":"","report_date":""},{"accession":"0001213900-24-098409","document":"ea0220014-10q_alpha.htm","filed":"2024-11-14","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0001213900-24-094626","document":"ea022013301-8k_alphacog.htm","filed":"2024-11-05","form":"8-K","items":"3.03,9.01","report_date":"2024-10-30"},{"accession":"0001213900-24-090112","document":"ea0218494-8k_alpha.htm","filed":"2024-10-24","form":"8-K","items":"5.02,9.01","report_date":"2024-10-21"},{"accession":"0001213900-24-086624","document":"ea0217222-8k_alphacog.htm","filed":"2024-10-09","form":"8-K","items":"5.02,9.01","report_date":"2024-10-08"}],"former_names":[{"from":"2015-10-16T04:00:00.000Z","name":"Neurodyn Cognition Inc.","to":"2019-10-09T04:00:00.000Z"}],"gleif_parents":[],"headquarters":[],"insiders":[{"accession":"0001493152-26-044690","acquired_disposed":"A","code":"P","date":"2026-09-25","derivative":false,"filed":"2026-09-28","following_shares":"3203904.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.47","security":"Common Stock, no par value","shares":"13426.0"},{"accession":"0001493152-26-044690","acquired_disposed":"A","code":"P","date":"2026-09-24","derivative":false,"filed":"2026-09-28","following_shares":"3190478.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.57","security":"Common Stock, no par value","shares":"18337.0"},{"accession":"0001493152-26-042969","acquired_disposed":"A","code":"P","date":"2026-09-16","derivative":false,"filed":"2026-09-16","following_shares":"3172141.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.4","security":"Common Stock, no par value","shares":"27141.0"},{"accession":"0001493152-26-042969","acquired_disposed":"A","code":"P","date":"2026-09-16","derivative":false,"filed":"2026-09-16","following_shares":"3145000.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.57","security":"Common Stock, no par value","shares":"53029.0"},{"accession":"0001493152-26-042969","acquired_disposed":"A","code":"P","date":"2026-09-15","derivative":false,"filed":"2026-09-16","following_shares":"3091971.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.54","security":"Common Stock, no par value","shares":"3375.0"},{"accession":"0001493152-26-042969","acquired_disposed":"A","code":"P","date":"2026-09-14","derivative":false,"filed":"2026-09-16","following_shares":"3088596.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.7","security":"Common Stock, no par value","shares":"40373.0"},{"accession":"0000912282-26-001153","acquired_disposed":"A","code":"P","date":"2026-08-21","derivative":false,"filed":"2026-08-24","following_shares":"32241.0","form":"4","owners":["Wills Robert James"],"plan_10b5_1":false,"price":"9.62","security":"Common Shares","shares":"10000.0"},{"accession":"0001493152-26-036015","acquired_disposed":"A","code":"P","date":"2026-08-03","derivative":false,"filed":"2026-08-04","following_shares":"3048223.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"8.0","security":"Common Stock, no par value","shares":"50000.0"},{"accession":"0001493152-26-036015","acquired_disposed":"A","code":"P","date":"2026-07-31","derivative":false,"filed":"2026-08-04","following_shares":"2998223.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"7.92","security":"Common Stock, no par value","shares":"2900.0"},{"accession":"0001493152-26-035000","acquired_disposed":"A","code":"P","date":"2026-07-24","derivative":false,"filed":"2026-07-28","following_shares":"2995323.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"7.9","security":"Common Stock, no par value","shares":"130.0"},{"accession":"0001493152-26-034560","acquired_disposed":"A","code":"P","date":"2026-07-23","derivative":false,"filed":"2026-07-24","following_shares":"2995193.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"7.8","security":"Common Stock, no par value","shares":"49849.0"},{"accession":"0001493152-26-034560","acquired_disposed":"A","code":"P","date":"2026-07-22","derivative":false,"filed":"2026-07-24","following_shares":"100000.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"7.83","security":"Common Stock, no par value","shares":"10000.0"},{"accession":"0001493152-26-034560","acquired_disposed":"A","code":"P","date":"2026-07-22","derivative":false,"filed":"2026-07-24","following_shares":"2945344.0","form":"4","owners":["Opaleye Management Inc."],"plan_10b5_1":false,"price":"7.83","security":"Common Stock, no par value","shares":"140237.0"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-10-21T06:11:10.683776+00:00","reviewed_events":[],"reviewed_events_coverage":"selective; not a complete event history; accounting series not reconciled","sources":[{"coverage":"8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-10-20T06:11:47.043759+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1663 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-10-15T06:12:13.268459+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1199 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-10-15T06:13:53.192764+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-10-20T06:12:10.744440+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-10-20T06:12:12.024240+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q3: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-10-15T06:12:09.068487+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}